Genus Echimorphotriporites
- Species total:
- 2
- Age range:
- 68.5 - 37.5 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Echimorphotriporites | Maastrichtian | Eocene |
|
| Echimorphotriporites trianguliformis | Maastrichtian | Eocene |
|